20564008

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{69473}}^1$

素因数の和:69516

約数の個数: 16

約数和(自身を含む): 39600180

約数和(自身を除く): 19036172

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 69473, 138946, 277892, 555784, 2570501, 5141002, 10282004, 20564008]

約数ペア:

[(1, 20564008), (2, 10282004), (4, 5141002), (8, 2570501), (37, 555784), (74, 277892), (148, 138946), (296, 69473)]